workflow-templates-broken-zap-2026-06-08/site/knowledge/nodes/api/RunwayImageToVideoNodeGen3a.md

RunwayImageToVideoNodeGen3a

Category: api node/video/Runway

Display Name: Runway Image to Video (Gen3a Turbo)

Description

This documentation was AI-generated. If you find any errors or have suggestions for improvement, please feel free to contribute! Edit on GitHub

The Runway Image to Video (Gen3a Turbo) node generates a video from a single starting frame using Runway's Gen3a Turbo model. It takes a text prompt and an initial image frame, then creates a video sequence based on the specified duration and aspect ratio. This node connects to Runway's API to process the generation remotely.

Inputs

Parameter	Data Type	Required	Range	Description
prompt	STRING	Yes	N/A	Text prompt for the generation (default: "")
start_frame	IMAGE	Yes	N/A	Start frame to be used for the video
duration	COMBO	Yes	Multiple options available	Video duration selection from available options
ratio	COMBO	Yes	Multiple options available	Aspect ratio selection from available options
seed	INT	No	0-4294967295	Random seed for generation (default: 0)

Parameter Constraints:

• The start_frame must have dimensions not exceeding 7999x7999 pixels
• The start_frame must have an aspect ratio between 0.5 and 2.0
• The prompt must contain at least one character (cannot be empty)

Outputs

Output Name	Data Type	Description
output	VIDEO	The generated video sequence

Source: comfy_api_nodes/nodes_runway.py

Used in 1 template(s)